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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Ultrasound Med Biol. 2017 Mar 1;43(5):1016–1030. doi: 10.1016/j.ultrasmedbio.2016.12.020

Figure 4.

Figure 4

Halo GV optical density measurement as a function of hydrostatic pressure (N=3 independent preparations). The error bars are standard error. The data was fit to a Boltzmann sigmoid fit of the form f(p) = (1+e(p − pc)/Δp )−1 with Δp = 8 kPa and an average midpoint of collapse pc= 64 kPa (R2>0.998).